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Finding the Fourth Proportional to 63,005.70, 94,399.20 and 53,164.20

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Solution

The fourth proportional to 63,005.70, 94,399.20 and 53,164.20 is: 79,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,005.70 : 94,399.20 = 53,164.20 : x
  2. Step 2: Convert to fraction form
    63,005.70/94,399.20 = 53,164.20/x
  3. Step 3: Cross multiply
    63,005.70x = 94,399.20 × 53,164.20
  4. Step 4: Simplify right side
    63,005.70x = 5,018,657,948.64
  5. Step 5: Solve for x
    x = 5,018,657,948.64/63,005.70
  6. Step 6: Final answer
    x = 79,654.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.